@article{Korbicz:1997,
  author  = "J. Korbicz and J. Kuļ",
  title   = "Knowledge-based fault detection system using evolutive observer approach",
  journal = "Systems Science",
  volume  = "Vol. 23",
  number  = "no 1",
  pages   = "77--87",
  year    = "1997",
}